Gajurel, A., C. France-Lanord, P. Huyghe, J. Mugnier, T. Sakai, H. Sakai, and B. Upreti. “Dry Climatic Evidence in Central Himalaya Around 40 Ka from Lacustrine Sediments of Kathmandu Basin, Nepal”. Journal of Nepal Geological Society, vol. 36, Feb. 2008, p. 4, https://www.nepjol.info/index.php/JNGS/article/view/758.